Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 02d152fcd4409f986d09b4132c20898b06fad3a4fd1453d2f56b84ab2ec3228e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^